Aug 02 05:57:43.851 INFO checking korat-0.1.3 against 1.27.2 for lazy_static-1
Aug 02 05:57:43.851 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:57:43.851 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:57:43.851 INFO running `"docker" "create" "-v" "/tmp/crater.ndGXs1Azlpw9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 05:57:44.098 INFO blam! 07e77e5ddd4bee7ea5cd009ea1c6391b5832729b38eea78b22eff9c5c98cbeec
Aug 02 05:57:44.101 INFO running `"docker" "start" "-a" "07e77e5ddd4bee7ea5cd009ea1c6391b5832729b38eea78b22eff9c5c98cbeec"`
Aug 02 05:57:45.635 INFO kablam!     Checking korat v0.1.3 (file:///source)
Aug 02 05:57:49.169 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:57:49.169 INFO kablam!  --> src/lib.rs:1:1
Aug 02 05:57:49.169 INFO kablam!   |
Aug 02 05:57:49.169 INFO kablam! 1 | #![feature(try_from)]
Aug 02 05:57:49.169 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:57:49.169 INFO kablam! 
Aug 02 05:57:49.170 INFO kablam! error: aborting due to previous error
Aug 02 05:57:49.171 INFO kablam! 
Aug 02 05:57:49.171 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:57:49.185 INFO kablam! error: Could not compile `korat`.
Aug 02 05:57:49.185 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:57:49.354 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:57:49.354 INFO kablam!  --> src/lib.rs:1:1
Aug 02 05:57:49.354 INFO kablam!   |
Aug 02 05:57:49.354 INFO kablam! 1 | #![feature(try_from)]
Aug 02 05:57:49.354 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:57:49.355 INFO kablam! 
Aug 02 05:57:49.360 INFO kablam! error: aborting due to previous error
Aug 02 05:57:49.360 INFO kablam! 
Aug 02 05:57:49.361 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:57:49.399 INFO kablam! error: Could not compile `korat`.
Aug 02 05:57:49.399 INFO kablam! 
Aug 02 05:57:49.399 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 05:57:49.402 INFO kablam! su: No module specific data is present
Aug 02 05:57:50.010 INFO running `"docker" "rm" "-f" "07e77e5ddd4bee7ea5cd009ea1c6391b5832729b38eea78b22eff9c5c98cbeec"`
Aug 02 05:57:50.165 INFO blam! 07e77e5ddd4bee7ea5cd009ea1c6391b5832729b38eea78b22eff9c5c98cbeec